diff --git a/EmulatedVolume.h b/EmulatedVolume.h
index 3e28bcb..04d4508 100644
--- a/EmulatedVolume.h
+++ b/EmulatedVolume.h
@@ -37,7 +37,8 @@
  */
 class EmulatedVolume : public VolumeBase {
 public:
-    EmulatedVolume(const std::string& rawPath, const std::string& fsUuid);
+    EmulatedVolume(const std::string& rawPath);
+    EmulatedVolume(const std::string& rawPath, dev_t device, const std::string& fsUuid);
     virtual ~EmulatedVolume();
 
 protected: